• You are here: EPA Home
• Six Common Pollutants
• Particulate Matter
• Fine Particle (PM_2.5) Designations
• Area Designations for 1997 Fine Particle (PM_2.5) Standards
• EPA Responses to States and Tribes

EPA Responses to States and Tribes

---

Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Designations Home Page for more recent information about PM Designations.

---

On June 28 and 29, 2004 EPA responded to state and tribal recommendations for attainment and nonattainment areas under the more protective national air quality standard for fine particles. Follow the links below to read:

• Map of EPA responses to PM_2.5 recommendations


• Fact Sheet


• Comparison of state recommendations and EPA responses


• PM_2.5 Timeline


• Benefits of meeting the PM_2.5 standard


• National trends in PM_2.5 air quality


• PM_2.5 health effects


• PM_2.5 standards review

Area Navigation

• Fine Particle (PM_2.5) Designations Home

  ---

• Area Designations for 1997 Fine Particle (PM_2.5) Standards Home
• Regulatory Actions
• Where You Live
  • State Designations
  • Tribal Designations
  • PM_2.5 Conditions
  • Air Quality Forecast
• Frequent Questions
• PM and Human Health
• Policy Guidance
• Technical Data